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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.cards.i;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import mage.MageObjectReference;
import mage.abilities.Ability;
import mage.abilities.condition.Condition;
import mage.abilities.costs.AlternativeCostSourceAbility;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.common.DamageTargetEffect;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.WatcherScope;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.target.common.TargetCreaturePermanent;
import mage.watchers.Watcher;
/**
* @author jeffwadsworth
*/
public class InfernoTrap extends CardImpl {
public InfernoTrap(UUID ownerId, CardSetInfo setInfo) {
super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{3}{R}");
this.subtype.add("Trap");
// If you've been dealt damage by two or more creatures this turn, you may pay {R} rather than pay Inferno Trap's mana cost.
this.addAbility(new AlternativeCostSourceAbility(new ManaCostsImpl("{R}"), InfernoTrapCondition.instance), new InfernoTrapWatcher());
// Inferno Trap deals 4 damage to target creature.
this.getSpellAbility().addEffect(new DamageTargetEffect(4));
this.getSpellAbility().addTarget(new TargetCreaturePermanent());
}
public InfernoTrap(final InfernoTrap card) {
super(card);
}
@Override
public InfernoTrap copy() {
return new InfernoTrap(this);
}
}
enum InfernoTrapCondition implements Condition {
instance;
@Override
public boolean apply(Game game, Ability source) {
InfernoTrapWatcher watcher = (InfernoTrapWatcher) game.getState().getWatchers().get(InfernoTrapWatcher.class.getSimpleName());
if (watcher != null) {
Set<MageObjectReference> damagingCreatures = watcher.getDamagingCreatures(source.getControllerId());
return damagingCreatures.size() > 1;
}
return false;
}
@Override
public String toString() {
return "If you've been dealt damage by two or more creatures this turn";
}
}
class InfernoTrapWatcher extends Watcher {
Map<UUID, Set<MageObjectReference>> playerDamagedByCreature = new HashMap<>();
public InfernoTrapWatcher() {
super(InfernoTrapWatcher.class.getSimpleName(), WatcherScope.GAME);
}
public InfernoTrapWatcher(final InfernoTrapWatcher watcher) {
super(watcher);
playerDamagedByCreature.putAll(watcher.playerDamagedByCreature);
}
@Override
public void watch(GameEvent event, Game game) {
if (event.getType() == GameEvent.EventType.DAMAGED_PLAYER
&& event.getTargetId().equals(controllerId)) {
Permanent damageBy = game.getPermanentOrLKIBattlefield(event.getSourceId());
if (damageBy != null && damageBy.isCreature()) {
Set<MageObjectReference> damagingCreatures = playerDamagedByCreature.getOrDefault(event.getTargetId(), new HashSet<>());
MageObjectReference damagingCreature = new MageObjectReference(damageBy, game);
damagingCreatures.add(damagingCreature);
playerDamagedByCreature.put(event.getTargetId(), damagingCreatures);
}
}
}
public Set<MageObjectReference> getDamagingCreatures(UUID playerId) {
return playerDamagedByCreature.getOrDefault(playerId, new HashSet<>());
}
@Override
public void reset() {
super.reset();
playerDamagedByCreature.clear();
}
@Override
public InfernoTrapWatcher copy() {
return new InfernoTrapWatcher(this);
}
}